APA (7th ed.) Citation

Lamb, K. (2007). Penguin problems. Piccadilly Press.

Chicago Style (17th ed.) Citation

Lamb, Kathryn. Penguin Problems. London: Piccadilly Press, 2007.

MLA (9th ed.) Citation

Lamb, Kathryn. Penguin Problems. Piccadilly Press, 2007.

Warning: These citations may not always be 100% accurate.